Antioxidant Activity of Auricularia auricula Polysaccharides with Different Molecular Weights and Cytotoxicity Difference of Polysaccharides Regulated CaOx to HK-2 Cells

Table 1

Degradation conditions and physicochemical properties of AAPs with different molecular weights.

Polysaccharide abbreviation	Concentration of H2O2 (%)	Intrinsic viscosity [η] (mL/g)	Mean molecular weights (kDa)	–COOH content (%)
AAP0	0	38.5	31.52	4.28
AAP1	0.3	14.4	11.82	4.54
AAP2	2	7.15	5.86	4.63
AAP3	8	4.07	3.34	4.67